20242222 has 32 divisors (see below), whose sum is σ = 40771584. Its totient is φ = 7279200.

The previous prime is 20242213. The next prime is 20242247. The reversal of 20242222 is 22224202.

20242222 is a modest number, since divided by 2222 gives 2024 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20242196 and 20242205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (1274112).

Almost surely, 2^20242222 is an apocalyptic number.

20242222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20242222 is an abundant number, since it is smaller than the sum of its proper divisors (20529362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20242222 is a wasteful number, since it uses less digits than its factorization.

20242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20242222 is about 4499.1356947752. The cubic root of 20242222 is about 272.5331867670.

Adding to 20242222 its reverse (22224202), we get a palindrome (42466424).

It can be divided in two parts, 202 and 42222, that added together give a palindrome (42424).

The spelling of 20242222 in words is "twenty million, two hundred forty-two thousand, two hundred twenty-two".